g.type-TK > rect { 
    fill: #99CFFD;
}   
g{
    width: 100%;
    margin: 0 auto;
}
text {
    font-weight: 300;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serf;
    font-size: 14px;
}   

.node rect {
    stroke: #999;
    fill: #fff;
    stroke-width: 1.5px;
}   

.edgePath path {
    stroke: #333;
    stroke-width: 1.5px;
}
